Home / 439,251.60-658,877.40-436,627.20

Finding the Fourth Proportional to 439,251.60, 658,877.40 and 436,627.20

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Solution

The fourth proportional to 439,251.60, 658,877.40 and 436,627.20 is: 654,940.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,251.60 : 658,877.40 = 436,627.20 : x
  2. Step 2: Convert to fraction form
    439,251.60/658,877.40 = 436,627.20/x
  3. Step 3: Cross multiply
    439,251.60x = 658,877.40 × 436,627.20
  4. Step 4: Simplify right side
    439,251.60x = 287,683,794,305.28
  5. Step 5: Solve for x
    x = 287,683,794,305.28/439,251.60
  6. Step 6: Final answer
    x = 654,940.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.